Aeroport International Pierre-Elliot-Trudeau de Montreal (airport code YUL) or Montreal-Trudeau Airport serves the citizens of Montreal, Canada's 2nd largest city, and Eastern Canada. With 12 million passengers each year, Montreal-Trudeau has 32 air carriers with more than 130 direct flights to destinations in Canada and the US and is Canada's gateway to Europe. The airport has one terminal with three branches, one serving Canadians – Zone Domestique – a newly renovated section for US travelers – Zone Transfrontaliere USA - and one for International travelers – Zone Internationale. Located 20 kilometers from downtown Montreal, L'Aerobus shuttle runs between the airport and downtown every 30 minutes with a stop at Berri Terminal, Montreal's main bus terminal.